The female cub, right, can be distinguished from her brother by her lighter nose and crescent-shaped markings at the top of her head. The male cub, left, has a darker nose and a more prominent “trident” on the bridge of his nose.
Photo from Elmwood Park Zoo’s Facebook page

The female cub, right, can be distinguished from her brother by her lighter nose and crescent-shaped markings at the top of her head. The male cub, left, has a darker nose and a more prominent “trident” on the bridge of his nose.
Photo from Elmwood Park Zoo’s Facebook page